HK115294A - A method for handoff in a mobile radio communication system - Google Patents

A method for handoff in a mobile radio communication system

Info

Publication number
HK115294A
HK115294A HK115294A HK115294A HK115294A HK 115294 A HK115294 A HK 115294A HK 115294 A HK115294 A HK 115294A HK 115294 A HK115294 A HK 115294A HK 115294 A HK115294 A HK 115294A
Authority
HK
Hong Kong
Prior art keywords
handoff
communication system
radio communication
mobile radio
mobile
Prior art date
Application number
HK115294A
Other languages
English (en)
Inventor
Per Viktor Israelsson
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK115294A publication Critical patent/HK115294A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
HK115294A 1990-04-26 1994-10-20 A method for handoff in a mobile radio communication system HK115294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9001497A SE466081B (sv) 1990-04-26 1990-04-26 Foerfarande vid handoff i ett mobilradiosystem

Publications (1)

Publication Number Publication Date
HK115294A true HK115294A (en) 1994-10-27

Family

ID=20379296

Family Applications (1)

Application Number Title Priority Date Filing Date
HK115294A HK115294A (en) 1990-04-26 1994-10-20 A method for handoff in a mobile radio communication system

Country Status (12)

Country Link
US (1) US5293643A (xx)
EP (1) EP0454638B1 (xx)
JP (1) JP3140772B2 (xx)
CN (1) CN1025102C (xx)
AU (1) AU636742B2 (xx)
BR (1) BR9105729A (xx)
CA (1) CA2057068C (xx)
DE (1) DE69102486T2 (xx)
ES (1) ES2055578T3 (xx)
HK (1) HK115294A (xx)
SE (1) SE466081B (xx)
WO (1) WO1991016772A1 (xx)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9028108D0 (en) * 1990-12-27 1991-02-13 British Telecomm Mobile radio handover initiation determination
DE4225685A1 (de) * 1992-08-04 1994-02-10 Philips Patentverwaltung Zellulares Mobilfunksystem
DE4307702A1 (de) * 1993-03-11 1994-09-15 Detecon Gmbh Ein ortsabhängiges Handover-Verfahren in Mobilfunknetzen und Vorrichtung zur Ausübung des Verfahrens
WO1995001068A1 (en) * 1993-06-25 1995-01-05 Roke Manor Research Limited Apparatus for interference cancellation in a digital radio link between a fixed and a mobile radio unit
US5740208A (en) * 1993-06-25 1998-04-14 Roke Manor Research Limited Interference cancellation apparatus for mitigating the effects of poor affiliation between a base station and a mobile unit
GB2280335B (en) * 1993-07-22 1997-05-28 Northern Telecom Ltd Mobile communications
US5548808A (en) * 1993-12-08 1996-08-20 Motorola, Inc. Method for performing a handoff in a communication system
US5448569A (en) * 1994-04-12 1995-09-05 International Business Machines Corporation Handoff monitoring in cellular communication networks using slow frequency hopping
FI941779A (fi) * 1994-04-15 1995-10-16 Nokia Telecommunications Oy Kanavanvaihtomenetelmä ja -järjestely
SE9401713D0 (sv) * 1994-05-16 1994-05-16 Ericsson Telefon Ab L M Metod att förbättra mätnoggrannheten vid handoverbeslut
FI943609A (fi) * 1994-08-03 1996-02-04 Nokia Telecommunications Oy Menetelmä kanavan allokoimiseksi solukkoradiojärjestelmässä
WO1996005709A1 (en) * 1994-08-09 1996-02-22 Pacific Communication Sciences, Inc. Method and apparatus for efficient handoffs by mobile communication entities
US5669061A (en) 1994-08-19 1997-09-16 Trimble Navigation Limited Automatic cellular phone tracking
JP3085154B2 (ja) * 1994-08-26 2000-09-04 トヨタ自動車株式会社 移動体無線通信システム
GB9510867D0 (en) * 1995-05-30 1995-07-26 Hong Kong Telecom Csl Limited Digital cellular telephone networks
US5774809A (en) * 1996-02-12 1998-06-30 Nokia Mobile Phones Limited Simplified mobile assisted handoff of signal between cells
US6449305B1 (en) * 1996-05-10 2002-09-10 Motorola, Inc. Method and apparatus for performing handoff in a spread-spectrum communication system
US6014564A (en) * 1996-09-19 2000-01-11 Nortel Networks Corporation Method and apparatus for determining virtual cell area
US5940761A (en) * 1997-01-15 1999-08-17 Qaulcomm Incorporated Method and apparatus for performing mobile assisted hard handoff between communication systems
FI104683B (fi) 1997-02-18 2000-04-14 Nokia Networks Oy Kanavanvaihto matkaviestinjärjestelmässä
FI104682B (fi) 1997-02-18 2000-04-14 Nokia Networks Oy Kanavanvaihto matkaviestinjärjestelmässä
US5970058A (en) * 1997-04-12 1999-10-19 Motorola, Inc. Method and apparatus for freeing a frame to aid in handoff determination in a code division multiple access communication system
US6002933A (en) * 1997-04-29 1999-12-14 Qualcomm Incorporated Inter-system soft handoff
US6141555A (en) * 1997-06-09 2000-10-31 Nec Corporation Cellular communication system, and mobile and base stations used in the same
US5950134A (en) * 1997-09-08 1999-09-07 At&T Corp. Method and apparatus for spatial redundancy in cellular networks
DE19742650C2 (de) * 1997-09-26 2000-05-11 Siemens Ag Optimierung von Nachbarkanal-Meßberichten
GB9810394D0 (en) * 1998-05-14 1998-07-15 Simoco Europ Limited Radio communications system
SE519366C2 (sv) * 1998-11-17 2003-02-18 Ericsson Telefon Ab L M Metod och anordningar rörande ett radiokommunikationssystem
US6320855B1 (en) 1999-09-09 2001-11-20 Qualcom Incorporated Method and system for initiating idle handoff in a wireless communications system
FI109639B (fi) * 1999-12-22 2002-09-13 Nokia Corp Menetelmä salausluvun välittämiseksi tiedonsiirtojärjestelmässä ja tiedonsiirtojärjestelmä
JP3512090B2 (ja) 2000-05-31 2004-03-29 日本電気株式会社 携帯端末の受信基地局切替システム及び方法
US7865155B1 (en) 2001-11-02 2011-01-04 Cisco Technology, Inc. Wireless communication system with signal selection and combination
US7068610B2 (en) 2002-02-26 2006-06-27 Unruh Lincoln J System and method for reliable communications over multiple packet RF networks
KR100689508B1 (ko) * 2003-09-04 2007-03-02 삼성전자주식회사 통신 시스템에서 핸드오버 수행 방법
KR101042763B1 (ko) * 2005-07-07 2011-06-20 삼성전자주식회사 이기종 시스템 간의 핸드오버 방법 및 장치
US7466981B1 (en) * 2005-10-25 2008-12-16 Cisco Technology, Inc. Handing off a node from a first access point to a second access point

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550443A (en) * 1982-11-12 1985-10-29 Motorola, Inc. Method and apparatus for dynamically selecting transmitters for communications between a primary station and remote stations of a data communications system
US4475010A (en) * 1983-05-05 1984-10-02 At&T Bell Laboratories High density cellular mobile radio communications
US4704734A (en) * 1986-02-18 1987-11-03 Motorola, Inc. Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
EP0292182B1 (en) * 1987-05-15 1996-07-24 Securicor Datatrak Limited Mobile transmitter/receiver
GB2215932A (en) * 1988-03-26 1989-09-27 Gec Traffic Automation Radio position finding system
JPH01321739A (ja) * 1988-06-24 1989-12-27 Nec Corp セルラー方式移動通信のチャネル切替方式

Also Published As

Publication number Publication date
AU636742B2 (en) 1993-05-06
US5293643A (en) 1994-03-08
WO1991016772A1 (en) 1991-10-31
CN1056213A (zh) 1991-11-13
SE9001497D0 (sv) 1990-04-26
ES2055578T3 (es) 1994-08-16
JP3140772B2 (ja) 2001-03-05
CA2057068C (en) 2001-02-13
EP0454638A1 (en) 1991-10-30
DE69102486T2 (de) 1994-10-20
BR9105729A (pt) 1992-05-19
CA2057068A1 (en) 1991-10-27
CN1025102C (zh) 1994-06-15
DE69102486D1 (de) 1994-07-21
AU7562991A (en) 1991-11-11
SE9001497A (xx) 1991-10-27
JPH04507179A (ja) 1992-12-10
SE466081B (sv) 1991-12-09
EP0454638B1 (en) 1994-06-15

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)